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Phone Directory 312-436 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-436 Chicago, IL Ameritech Illinois Cook Landline 01/14/2000

Other Series For Prefixes

312-4360###
312-4361###
312-4362###
312-4363###
312-4364###
312-4365###
312-4366###
312-4367###
312-4368###
312-4369###